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- Committer: Teddy Hogeborn
- Date: 2010-09-26 18:32:58 UTC
- Revision ID: teddy@fukt.bsnet.se-20100926183258-n31ux2r8d06m1hi1
Update copyright year to "2010" wherever appropriate.
* DBUS-API: Added copyright and license statement.
* README: Mention new "plymouth" plugin.
* debian/control: Depend on python-2.6 or python-multiprocessing.
* debian/mandos-client.README.Debian: Update info about DEVICE setting
of initramfs.conf.
* mandos-ctl: Added copyright and license statement.
* mandos-monitor: - '' -
* plugins.d/plymouth.c: - '' -
* DBUS-API: Added copyright and license statement.
* README: Mention new "plymouth" plugin.
* debian/control: Depend on python-2.6 or python-multiprocessing.
* debian/mandos-client.README.Debian: Update info about DEVICE setting
of initramfs.conf.
* mandos-ctl: Added copyright and license statement.
* mandos-monitor: - '' -
* plugins.d/plymouth.c: - '' -
added
removed
mandos
6
6
# This program is partly derived from an example program for an Avahi
7
7
# service publisher, downloaded from
8
8
# <http://avahi.org/wiki/PythonPublishExample>. This includes the
9
# methods "add" and "remove" in the "AvahiService" class, the
10
# "server_state_changed" and "entry_group_state_changed" functions,
11
# and some lines in "main".
9
# methods "add", "remove", "server_state_changed",
10
# "entry_group_state_changed", "cleanup", and "activate" in the
11
# "AvahiService" class, and some lines in "main".
12
12
#
13
13
# Everything else is
14
# Copyright © 2008,2009 Teddy Hogeborn
15
# Copyright © 2008,2009 Björn Påhlsson
14
# Copyright © 2008-2010 Teddy Hogeborn
15
# Copyright © 2008-2010 Björn Påhlsson
16
16
#
17
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# This program is free software: you can redistribute it and/or modify
18
18
# it under the terms of the GNU General Public License as published by
33
33
34
34
from __future__ import division, with_statement, absolute_import
35
35
36
import SocketServer
36
import SocketServer as socketserver
37
37
import socket
38
38
import optparse
39
39
import datetime
44
44
import gnutls.library.functions
45
45
import gnutls.library.constants
46
46
import gnutls.library.types
47
import ConfigParser
47
import ConfigParser as configparser
48
48
import sys
49
49
import re
50
50
import os
51
51
import signal
52
from sets import Set
53
52
import subprocess
54
53
import atexit
55
54
import stat
56
55
import logging
57
56
import logging.handlers
58
57
import pwd
59
from contextlib import closing
58
import contextlib
59
import struct
60
import fcntl
61
import functools
62
import cPickle as pickle
63
import multiprocessing
60
64
61
65
import dbus
62
66
import dbus.service
65
69
from dbus.mainloop.glib import DBusGMainLoop
66
70
import ctypes
67
71
import ctypes.util
68
69
version = "1.0.5"
70
71
logger = logging.Logger('mandos')
72
import xml.dom.minidom
73
import inspect
74
75
try:
76
SO_BINDTODEVICE = socket.SO_BINDTODEVICE
77
except AttributeError:
78
try:
79
from IN import SO_BINDTODEVICE
80
except ImportError:
81
SO_BINDTODEVICE = None
82
83
84
version = "1.0.14"
85
86
#logger = logging.getLogger(u'mandos')
87
logger = logging.Logger(u'mandos')
72
88
syslogger = (logging.handlers.SysLogHandler
73
89
(facility = logging.handlers.SysLogHandler.LOG_DAEMON,
74
90
address = "/dev/log"))
75
91
syslogger.setFormatter(logging.Formatter
76
('Mandos [%(process)d]: %(levelname)s:'
77
' %(message)s'))
92
(u'Mandos [%(process)d]: %(levelname)s:'
93
u' %(message)s'))
78
94
logger.addHandler(syslogger)
79
95
80
96
console = logging.StreamHandler()
81
console.setFormatter(logging.Formatter('%(name)s [%(process)d]:'
82
' %(levelname)s: %(message)s'))
97
console.setFormatter(logging.Formatter(u'%(name)s [%(process)d]:'
98
u' %(levelname)s:'
99
u' %(message)s'))
83
100
logger.addHandler(console)
84
101
85
102
class AvahiError(Exception):
98
115
99
116
class AvahiService(object):
100
117
"""An Avahi (Zeroconf) service.
118
101
119
Attributes:
102
120
interface: integer; avahi.IF_UNSPEC or an interface index.
103
121
Used to optionally bind to the specified interface.
104
name: string; Example: 'Mandos'
105
type: string; Example: '_mandos._tcp'.
122
name: string; Example: u'Mandos'
123
type: string; Example: u'_mandos._tcp'.
106
124
See <http://www.dns-sd.org/ServiceTypes.html>
107
125
port: integer; what port to announce
108
126
TXT: list of strings; TXT record for the service
111
129
max_renames: integer; maximum number of renames
112
130
rename_count: integer; counter so we only rename after collisions
113
131
a sensible number of times
132
group: D-Bus Entry Group
133
server: D-Bus Server
134
bus: dbus.SystemBus()
114
135
"""
115
136
def __init__(self, interface = avahi.IF_UNSPEC, name = None,
116
137
servicetype = None, port = None, TXT = None,
117
domain = "", host = "", max_renames = 32768,
118
protocol = avahi.PROTO_UNSPEC):
138
domain = u"", host = u"", max_renames = 32768,
139
protocol = avahi.PROTO_UNSPEC, bus = None):
119
140
self.interface = interface
120
141
self.name = name
121
142
self.type = servicetype
126
147
self.rename_count = 0
127
148
self.max_renames = max_renames
128
149
self.protocol = protocol
150
self.group = None # our entry group
151
self.server = None
152
self.bus = bus
129
153
def rename(self):
130
154
"""Derived from the Avahi example code"""
131
155
if self.rename_count >= self.max_renames:
133
157
u" after %i retries, exiting.",
134
158
self.rename_count)
135
159
raise AvahiServiceError(u"Too many renames")
136
self.name = server.GetAlternativeServiceName(self.name)
160
self.name = unicode(self.server.GetAlternativeServiceName(self.name))
137
161
logger.info(u"Changing Zeroconf service name to %r ...",
138
str(self.name))
162
self.name)
139
163
syslogger.setFormatter(logging.Formatter
140
('Mandos (%s): %%(levelname)s:'
141
' %%(message)s' % self.name))
164
(u'Mandos (%s) [%%(process)d]:'
165
u' %%(levelname)s: %%(message)s'
166
% self.name))
142
167
self.remove()
143
self.add()
168
try:
169
self.add()
170
except dbus.exceptions.DBusException, error:
171
logger.critical(u"DBusException: %s", error)
172
self.cleanup()
173
os._exit(1)
144
174
self.rename_count += 1
145
175
def remove(self):
146
176
"""Derived from the Avahi example code"""
147
if group is not None:
148
group.Reset()
177
if self.group is not None:
178
self.group.Reset()
149
179
def add(self):
150
180
"""Derived from the Avahi example code"""
151
global group
152
if group is None:
153
group = dbus.Interface(bus.get_object
154
(avahi.DBUS_NAME,
155
server.EntryGroupNew()),
156
avahi.DBUS_INTERFACE_ENTRY_GROUP)
157
group.connect_to_signal('StateChanged',
158
entry_group_state_changed)
181
if self.group is None:
182
self.group = dbus.Interface(
183
self.bus.get_object(avahi.DBUS_NAME,
184
self.server.EntryGroupNew()),
185
avahi.DBUS_INTERFACE_ENTRY_GROUP)
186
self.group.connect_to_signal('StateChanged',
187
self
188
.entry_group_state_changed)
159
189
logger.debug(u"Adding Zeroconf service '%s' of type '%s' ...",
160
service.name, service.type)
161
group.AddService(
162
self.interface, # interface
163
self.protocol, # protocol
164
dbus.UInt32(0), # flags
165
self.name, self.type,
166
self.domain, self.host,
167
dbus.UInt16(self.port),
168
avahi.string_array_to_txt_array(self.TXT))
169
group.Commit()
170
171
# From the Avahi example code:
172
group = None # our entry group
173
# End of Avahi example code
174
175
176
def _datetime_to_dbus(dt, variant_level=0):
177
"""Convert a UTC datetime.datetime() to a D-Bus type."""
178
return dbus.String(dt.isoformat(), variant_level=variant_level)
179
180
181
class Client(dbus.service.Object):
190
self.name, self.type)
191
self.group.AddService(
192
self.interface,
193
self.protocol,
194
dbus.UInt32(0), # flags
195
self.name, self.type,
196
self.domain, self.host,
197
dbus.UInt16(self.port),
198
avahi.string_array_to_txt_array(self.TXT))
199
self.group.Commit()
200
def entry_group_state_changed(self, state, error):
201
"""Derived from the Avahi example code"""
202
logger.debug(u"Avahi entry group state change: %i", state)
203
204
if state == avahi.ENTRY_GROUP_ESTABLISHED:
205
logger.debug(u"Zeroconf service established.")
206
elif state == avahi.ENTRY_GROUP_COLLISION:
207
logger.warning(u"Zeroconf service name collision.")
208
self.rename()
209
elif state == avahi.ENTRY_GROUP_FAILURE:
210
logger.critical(u"Avahi: Error in group state changed %s",
211
unicode(error))
212
raise AvahiGroupError(u"State changed: %s"
213
% unicode(error))
214
def cleanup(self):
215
"""Derived from the Avahi example code"""
216
if self.group is not None:
217
self.group.Free()
218
self.group = None
219
def server_state_changed(self, state):
220
"""Derived from the Avahi example code"""
221
logger.debug(u"Avahi server state change: %i", state)
222
if state == avahi.SERVER_COLLISION:
223
logger.error(u"Zeroconf server name collision")
224
self.remove()
225
elif state == avahi.SERVER_RUNNING:
226
self.add()
227
def activate(self):
228
"""Derived from the Avahi example code"""
229
if self.server is None:
230
self.server = dbus.Interface(
231
self.bus.get_object(avahi.DBUS_NAME,
232
avahi.DBUS_PATH_SERVER),
233
avahi.DBUS_INTERFACE_SERVER)
234
self.server.connect_to_signal(u"StateChanged",
235
self.server_state_changed)
236
self.server_state_changed(self.server.GetState())
237
238
239
class Client(object):
182
240
"""A representation of a client host served by this server.
241
183
242
Attributes:
184
name: string; from the config file, used in log messages and
185
D-Bus identifiers
243
_approved: bool(); 'None' if not yet approved/disapproved
244
approval_delay: datetime.timedelta(); Time to wait for approval
245
approval_duration: datetime.timedelta(); Duration of one approval
246
checker: subprocess.Popen(); a running checker process used
247
to see if the client lives.
248
'None' if no process is running.
249
checker_callback_tag: a gobject event source tag, or None
250
checker_command: string; External command which is run to check
251
if client lives. %() expansions are done at
252
runtime with vars(self) as dict, so that for
253
instance %(name)s can be used in the command.
254
checker_initiator_tag: a gobject event source tag, or None
255
created: datetime.datetime(); (UTC) object creation
256
current_checker_command: string; current running checker_command
257
disable_hook: If set, called by disable() as disable_hook(self)
258
disable_initiator_tag: a gobject event source tag, or None
259
enabled: bool()
186
260
fingerprint: string (40 or 32 hexadecimal digits); used to
187
261
uniquely identify the client
188
secret: bytestring; sent verbatim (over TLS) to client
189
262
host: string; available for use by the checker command
190
created: datetime.datetime(); (UTC) object creation
263
interval: datetime.timedelta(); How often to start a new checker
264
last_approval_request: datetime.datetime(); (UTC) or None
265
last_checked_ok: datetime.datetime(); (UTC) or None
191
266
last_enabled: datetime.datetime(); (UTC)
192
enabled: bool()
193
last_checked_ok: datetime.datetime(); (UTC) or None
267
name: string; from the config file, used in log messages and
268
D-Bus identifiers
269
secret: bytestring; sent verbatim (over TLS) to client
194
270
timeout: datetime.timedelta(); How long from last_checked_ok
195
until this client is invalid
196
interval: datetime.timedelta(); How often to start a new checker
197
disable_hook: If set, called by disable() as disable_hook(self)
198
checker: subprocess.Popen(); a running checker process used
199
to see if the client lives.
200
'None' if no process is running.
201
checker_initiator_tag: a gobject event source tag, or None
202
disable_initiator_tag: - '' -
203
checker_callback_tag: - '' -
204
checker_command: string; External command which is run to check if
205
client lives. %() expansions are done at
206
runtime with vars(self) as dict, so that for
207
instance %(name)s can be used in the command.
208
use_dbus: bool(); Whether to provide D-Bus interface and signals
209
dbus_object_path: dbus.ObjectPath ; only set if self.use_dbus
271
until this client is disabled
272
runtime_expansions: Allowed attributes for runtime expansion.
210
273
"""
274
275
runtime_expansions = (u"approval_delay", u"approval_duration",
276
u"created", u"enabled", u"fingerprint",
277
u"host", u"interval", u"last_checked_ok",
278
u"last_enabled", u"name", u"timeout")
279
280
@staticmethod
281
def _timedelta_to_milliseconds(td):
282
"Convert a datetime.timedelta() to milliseconds"
283
return ((td.days * 24 * 60 * 60 * 1000)
284
+ (td.seconds * 1000)
285
+ (td.microseconds // 1000))
286
211
287
def timeout_milliseconds(self):
212
288
"Return the 'timeout' attribute in milliseconds"
213
return ((self.timeout.days * 24 * 60 * 60 * 1000)
214
+ (self.timeout.seconds * 1000)
215
+ (self.timeout.microseconds // 1000))
289
return self._timedelta_to_milliseconds(self.timeout)
216
290
217
291
def interval_milliseconds(self):
218
292
"Return the 'interval' attribute in milliseconds"
219
return ((self.interval.days * 24 * 60 * 60 * 1000)
220
+ (self.interval.seconds * 1000)
221
+ (self.interval.microseconds // 1000))
293
return self._timedelta_to_milliseconds(self.interval)
294
295
def approval_delay_milliseconds(self):
296
return self._timedelta_to_milliseconds(self.approval_delay)
222
297
223
def __init__(self, name = None, disable_hook=None, config=None,
224
use_dbus=True):
298
def __init__(self, name = None, disable_hook=None, config=None):
225
299
"""Note: the 'checker' key in 'config' sets the
226
300
'checker_command' attribute and *not* the 'checker'
227
301
attribute."""
229
303
if config is None:
230
304
config = {}
231
305
logger.debug(u"Creating client %r", self.name)
232
self.use_dbus = False # During __init__
233
306
# Uppercase and remove spaces from fingerprint for later
234
307
# comparison purposes with return value from the fingerprint()
235
308
# function
236
self.fingerprint = (config["fingerprint"].upper()
309
self.fingerprint = (config[u"fingerprint"].upper()
237
310
.replace(u" ", u""))
238
311
logger.debug(u" Fingerprint: %s", self.fingerprint)
239
if "secret" in config:
240
self.secret = config["secret"].decode(u"base64")
241
elif "secfile" in config:
242
with closing(open(os.path.expanduser
243
(os.path.expandvars
244
(config["secfile"])))) as secfile:
312
if u"secret" in config:
313
self.secret = config[u"secret"].decode(u"base64")
314
elif u"secfile" in config:
315
with open(os.path.expanduser(os.path.expandvars
316
(config[u"secfile"])),
317
"rb") as secfile:
245
318
self.secret = secfile.read()
246
319
else:
247
320
raise TypeError(u"No secret or secfile for client %s"
248
321
% self.name)
249
self.host = config.get("host", "")
322
self.host = config.get(u"host", u"")
250
323
self.created = datetime.datetime.utcnow()
251
324
self.enabled = False
325
self.last_approval_request = None
252
326
self.last_enabled = None
253
327
self.last_checked_ok = None
254
self.timeout = string_to_delta(config["timeout"])
255
self.interval = string_to_delta(config["interval"])
328
self.timeout = string_to_delta(config[u"timeout"])
329
self.interval = string_to_delta(config[u"interval"])
256
330
self.disable_hook = disable_hook
257
331
self.checker = None
258
332
self.checker_initiator_tag = None
259
333
self.disable_initiator_tag = None
260
334
self.checker_callback_tag = None
261
self.checker_command = config["checker"]
335
self.checker_command = config[u"checker"]
336
self.current_checker_command = None
262
337
self.last_connect = None
263
# Only now, when this client is initialized, can it show up on
264
# the D-Bus
265
self.use_dbus = use_dbus
266
if self.use_dbus:
267
self.dbus_object_path = (dbus.ObjectPath
268
("/clients/"
269
+ self.name.replace(".", "_")))
270
dbus.service.Object.__init__(self, bus,
271
self.dbus_object_path)
338
self._approved = None
339
self.approved_by_default = config.get(u"approved_by_default",
340
True)
341
self.approvals_pending = 0
342
self.approval_delay = string_to_delta(
343
config[u"approval_delay"])
344
self.approval_duration = string_to_delta(
345
config[u"approval_duration"])
346
self.changedstate = multiprocessing_manager.Condition(multiprocessing_manager.Lock())
272
347
348
def send_changedstate(self):
349
self.changedstate.acquire()
350
self.changedstate.notify_all()
351
self.changedstate.release()
352
273
353
def enable(self):
274
354
"""Start this client's checker and timeout hooks"""
355
if getattr(self, u"enabled", False):
356
# Already enabled
357
return
358
self.send_changedstate()
275
359
self.last_enabled = datetime.datetime.utcnow()
276
360
# Schedule a new checker to be started an 'interval' from now,
277
361
# and every interval from then on.
278
362
self.checker_initiator_tag = (gobject.timeout_add
279
363
(self.interval_milliseconds(),
280
364
self.start_checker))
281
# Also start a new checker *right now*.
282
self.start_checker()
283
365
# Schedule a disable() when 'timeout' has passed
284
366
self.disable_initiator_tag = (gobject.timeout_add
285
367
(self.timeout_milliseconds(),
286
368
self.disable))
287
369
self.enabled = True
288
if self.use_dbus:
289
# Emit D-Bus signals
290
self.PropertyChanged(dbus.String(u"enabled"),
291
dbus.Boolean(True, variant_level=1))
292
self.PropertyChanged(dbus.String(u"last_enabled"),
293
(_datetime_to_dbus(self.last_enabled,
294
variant_level=1)))
370
# Also start a new checker *right now*.
371
self.start_checker()
295
372
296
def disable(self):
373
def disable(self, quiet=True):
297
374
"""Disable this client."""
298
375
if not getattr(self, "enabled", False):
299
376
return False
300
logger.info(u"Disabling client %s", self.name)
301
if getattr(self, "disable_initiator_tag", False):
377
if not quiet:
378
self.send_changedstate()
379
if not quiet:
380
logger.info(u"Disabling client %s", self.name)
381
if getattr(self, u"disable_initiator_tag", False):
302
382
gobject.source_remove(self.disable_initiator_tag)
303
383
self.disable_initiator_tag = None
304
if getattr(self, "checker_initiator_tag", False):
384
if getattr(self, u"checker_initiator_tag", False):
305
385
gobject.source_remove(self.checker_initiator_tag)
306
386
self.checker_initiator_tag = None
307
387
self.stop_checker()
308
388
if self.disable_hook:
309
389
self.disable_hook(self)
310
390
self.enabled = False
311
if self.use_dbus:
312
# Emit D-Bus signal
313
self.PropertyChanged(dbus.String(u"enabled"),
314
dbus.Boolean(False, variant_level=1))
315
391
# Do not run this again if called by a gobject.timeout_add
316
392
return False
317
393
323
399
"""The checker has completed, so take appropriate actions."""
324
400
self.checker_callback_tag = None
325
401
self.checker = None
326
if self.use_dbus:
327
# Emit D-Bus signal
328
self.PropertyChanged(dbus.String(u"checker_running"),
329
dbus.Boolean(False, variant_level=1))
330
402
if os.WIFEXITED(condition):
331
403
exitstatus = os.WEXITSTATUS(condition)
332
404
if exitstatus == 0:
336
408
else:
337
409
logger.info(u"Checker for %(name)s failed",
338
410
vars(self))
339
if self.use_dbus:
340
# Emit D-Bus signal
341
self.CheckerCompleted(dbus.Int16(exitstatus),
342
dbus.Int64(condition),
343
dbus.String(command))
344
411
else:
345
412
logger.warning(u"Checker for %(name)s crashed?",
346
413
vars(self))
347
if self.use_dbus:
348
# Emit D-Bus signal
349
self.CheckerCompleted(dbus.Int16(-1),
350
dbus.Int64(condition),
351
dbus.String(command))
352
414
353
415
def checked_ok(self):
354
416
"""Bump up the timeout for this client.
417
355
418
This should only be called when the client has been seen,
356
419
alive and well.
357
420
"""
360
423
self.disable_initiator_tag = (gobject.timeout_add
361
424
(self.timeout_milliseconds(),
362
425
self.disable))
363
if self.use_dbus:
364
# Emit D-Bus signal
365
self.PropertyChanged(
366
dbus.String(u"last_checked_ok"),
367
(_datetime_to_dbus(self.last_checked_ok,
368
variant_level=1)))
426
427
def need_approval(self):
428
self.last_approval_request = datetime.datetime.utcnow()
369
429
370
430
def start_checker(self):
371
431
"""Start a new checker subprocess if one is not running.
432
372
433
If a checker already exists, leave it running and do
373
434
nothing."""
374
435
# The reason for not killing a running checker is that if we
377
438
# client would inevitably timeout, since no checker would get
378
439
# a chance to run to completion. If we instead leave running
379
440
# checkers alone, the checker would have to take more time
380
# than 'timeout' for the client to be declared invalid, which
381
# is as it should be.
441
# than 'timeout' for the client to be disabled, which is as it
442
# should be.
443
444
# If a checker exists, make sure it is not a zombie
445
try:
446
pid, status = os.waitpid(self.checker.pid, os.WNOHANG)
447
except (AttributeError, OSError), error:
448
if (isinstance(error, OSError)
449
and error.errno != errno.ECHILD):
450
raise error
451
else:
452
if pid:
453
logger.warning(u"Checker was a zombie")
454
gobject.source_remove(self.checker_callback_tag)
455
self.checker_callback(pid, status,
456
self.current_checker_command)
457
# Start a new checker if needed
382
458
if self.checker is None:
383
459
try:
384
460
# In case checker_command has exactly one % operator
385
461
command = self.checker_command % self.host
386
462
except TypeError:
387
463
# Escape attributes for the shell
388
escaped_attrs = dict((key, re.escape(str(val)))
389
for key, val in
390
vars(self).iteritems())
464
escaped_attrs = dict(
465
(attr,
466
re.escape(unicode(str(getattr(self, attr, u"")),
467
errors=
468
u'replace')))
469
for attr in
470
self.runtime_expansions)
471
391
472
try:
392
473
command = self.checker_command % escaped_attrs
393
474
except TypeError, error:
394
475
logger.error(u'Could not format string "%s":'
395
476
u' %s', self.checker_command, error)
396
477
return True # Try again later
478
self.current_checker_command = command
397
479
try:
398
480
logger.info(u"Starting checker %r for %s",
399
481
command, self.name)
403
485
# always replaced by /dev/null.)
404
486
self.checker = subprocess.Popen(command,
405
487
close_fds=True,
406
shell=True, cwd="/")
407
if self.use_dbus:
408
# Emit D-Bus signal
409
self.CheckerStarted(command)
410
self.PropertyChanged(
411
dbus.String("checker_running"),
412
dbus.Boolean(True, variant_level=1))
488
shell=True, cwd=u"/")
413
489
self.checker_callback_tag = (gobject.child_watch_add
414
490
(self.checker.pid,
415
491
self.checker_callback,
431
507
if self.checker_callback_tag:
432
508
gobject.source_remove(self.checker_callback_tag)
433
509
self.checker_callback_tag = None
434
if getattr(self, "checker", None) is None:
510
if getattr(self, u"checker", None) is None:
435
511
return
436
512
logger.debug(u"Stopping checker for %(name)s", vars(self))
437
513
try:
438
514
os.kill(self.checker.pid, signal.SIGTERM)
439
#os.sleep(0.5)
515
#time.sleep(0.5)
440
516
#if self.checker.poll() is None:
441
517
# os.kill(self.checker.pid, signal.SIGKILL)
442
518
except OSError, error:
443
519
if error.errno != errno.ESRCH: # No such process
444
520
raise
445
521
self.checker = None
446
if self.use_dbus:
447
self.PropertyChanged(dbus.String(u"checker_running"),
448
dbus.Boolean(False, variant_level=1))
449
450
def still_valid(self):
451
"""Has the timeout not yet passed for this client?"""
452
if not getattr(self, "enabled", False):
453
return False
454
now = datetime.datetime.utcnow()
455
if self.last_checked_ok is None:
456
return now < (self.created + self.timeout)
457
else:
458
return now < (self.last_checked_ok + self.timeout)
459
460
## D-Bus methods & signals
522
523
def dbus_service_property(dbus_interface, signature=u"v",
524
access=u"readwrite", byte_arrays=False):
525
"""Decorators for marking methods of a DBusObjectWithProperties to
526
become properties on the D-Bus.
527
528
The decorated method will be called with no arguments by "Get"
529
and with one argument by "Set".
530
531
The parameters, where they are supported, are the same as
532
dbus.service.method, except there is only "signature", since the
533
type from Get() and the type sent to Set() is the same.
534
"""
535
# Encoding deeply encoded byte arrays is not supported yet by the
536
# "Set" method, so we fail early here:
537
if byte_arrays and signature != u"ay":
538
raise ValueError(u"Byte arrays not supported for non-'ay'"
539
u" signature %r" % signature)
540
def decorator(func):
541
func._dbus_is_property = True
542
func._dbus_interface = dbus_interface
543
func._dbus_signature = signature
544
func._dbus_access = access
545
func._dbus_name = func.__name__
546
if func._dbus_name.endswith(u"_dbus_property"):
547
func._dbus_name = func._dbus_name[:-14]
548
func._dbus_get_args_options = {u'byte_arrays': byte_arrays }
549
return func
550
return decorator
551
552
553
class DBusPropertyException(dbus.exceptions.DBusException):
554
"""A base class for D-Bus property-related exceptions
555
"""
556
def __unicode__(self):
557
return unicode(str(self))
558
559
560
class DBusPropertyAccessException(DBusPropertyException):
561
"""A property's access permissions disallows an operation.
562
"""
563
pass
564
565
566
class DBusPropertyNotFound(DBusPropertyException):
567
"""An attempt was made to access a non-existing property.
568
"""
569
pass
570
571
572
class DBusObjectWithProperties(dbus.service.Object):
573
"""A D-Bus object with properties.
574
575
Classes inheriting from this can use the dbus_service_property
576
decorator to expose methods as D-Bus properties. It exposes the
577
standard Get(), Set(), and GetAll() methods on the D-Bus.
578
"""
579
580
@staticmethod
581
def _is_dbus_property(obj):
582
return getattr(obj, u"_dbus_is_property", False)
583
584
def _get_all_dbus_properties(self):
585
"""Returns a generator of (name, attribute) pairs
586
"""
587
return ((prop._dbus_name, prop)
588
for name, prop in
589
inspect.getmembers(self, self._is_dbus_property))
590
591
def _get_dbus_property(self, interface_name, property_name):
592
"""Returns a bound method if one exists which is a D-Bus
593
property with the specified name and interface.
594
"""
595
for name in (property_name,
596
property_name + u"_dbus_property"):
597
prop = getattr(self, name, None)
598
if (prop is None
599
or not self._is_dbus_property(prop)
600
or prop._dbus_name != property_name
601
or (interface_name and prop._dbus_interface
602
and interface_name != prop._dbus_interface)):
603
continue
604
return prop
605
# No such property
606
raise DBusPropertyNotFound(self.dbus_object_path + u":"
607
+ interface_name + u"."
608
+ property_name)
609
610
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ss",
611
out_signature=u"v")
612
def Get(self, interface_name, property_name):
613
"""Standard D-Bus property Get() method, see D-Bus standard.
614
"""
615
prop = self._get_dbus_property(interface_name, property_name)
616
if prop._dbus_access == u"write":
617
raise DBusPropertyAccessException(property_name)
618
value = prop()
619
if not hasattr(value, u"variant_level"):
620
return value
621
return type(value)(value, variant_level=value.variant_level+1)
622
623
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"ssv")
624
def Set(self, interface_name, property_name, value):
625
"""Standard D-Bus property Set() method, see D-Bus standard.
626
"""
627
prop = self._get_dbus_property(interface_name, property_name)
628
if prop._dbus_access == u"read":
629
raise DBusPropertyAccessException(property_name)
630
if prop._dbus_get_args_options[u"byte_arrays"]:
631
# The byte_arrays option is not supported yet on
632
# signatures other than "ay".
633
if prop._dbus_signature != u"ay":
634
raise ValueError
635
value = dbus.ByteArray(''.join(unichr(byte)
636
for byte in value))
637
prop(value)
638
639
@dbus.service.method(dbus.PROPERTIES_IFACE, in_signature=u"s",
640
out_signature=u"a{sv}")
641
def GetAll(self, interface_name):
642
"""Standard D-Bus property GetAll() method, see D-Bus
643
standard.
644
645
Note: Will not include properties with access="write".
646
"""
647
all = {}
648
for name, prop in self._get_all_dbus_properties():
649
if (interface_name
650
and interface_name != prop._dbus_interface):
651
# Interface non-empty but did not match
652
continue
653
# Ignore write-only properties
654
if prop._dbus_access == u"write":
655
continue
656
value = prop()
657
if not hasattr(value, u"variant_level"):
658
all[name] = value
659
continue
660
all[name] = type(value)(value, variant_level=
661
value.variant_level+1)
662
return dbus.Dictionary(all, signature=u"sv")
663
664
@dbus.service.method(dbus.INTROSPECTABLE_IFACE,
665
out_signature=u"s",
666
path_keyword='object_path',
667
connection_keyword='connection')
668
def Introspect(self, object_path, connection):
669
"""Standard D-Bus method, overloaded to insert property tags.
670
"""
671
xmlstring = dbus.service.Object.Introspect(self, object_path,
672
connection)
673
try:
674
document = xml.dom.minidom.parseString(xmlstring)
675
def make_tag(document, name, prop):
676
e = document.createElement(u"property")
677
e.setAttribute(u"name", name)
678
e.setAttribute(u"type", prop._dbus_signature)
679
e.setAttribute(u"access", prop._dbus_access)
680
return e
681
for if_tag in document.getElementsByTagName(u"interface"):
682
for tag in (make_tag(document, name, prop)
683
for name, prop
684
in self._get_all_dbus_properties()
685
if prop._dbus_interface
686
== if_tag.getAttribute(u"name")):
687
if_tag.appendChild(tag)
688
# Add the names to the return values for the
689
# "org.freedesktop.DBus.Properties" methods
690
if (if_tag.getAttribute(u"name")
691
== u"org.freedesktop.DBus.Properties"):
692
for cn in if_tag.getElementsByTagName(u"method"):
693
if cn.getAttribute(u"name") == u"Get":
694
for arg in cn.getElementsByTagName(u"arg"):
695
if (arg.getAttribute(u"direction")
696
== u"out"):
697
arg.setAttribute(u"name", u"value")
698
elif cn.getAttribute(u"name") == u"GetAll":
699
for arg in cn.getElementsByTagName(u"arg"):
700
if (arg.getAttribute(u"direction")
701
== u"out"):
702
arg.setAttribute(u"name", u"props")
703
xmlstring = document.toxml(u"utf-8")
704
document.unlink()
705
except (AttributeError, xml.dom.DOMException,
706
xml.parsers.expat.ExpatError), error:
707
logger.error(u"Failed to override Introspection method",
708
error)
709
return xmlstring
710
711
712
class ClientDBus(Client, DBusObjectWithProperties):
713
"""A Client class using D-Bus
714
715
Attributes:
716
dbus_object_path: dbus.ObjectPath
717
bus: dbus.SystemBus()
718
"""
719
720
runtime_expansions = (Client.runtime_expansions
721
+ (u"dbus_object_path",))
722
723
# dbus.service.Object doesn't use super(), so we can't either.
724
725
def __init__(self, bus = None, *args, **kwargs):
726
self._approvals_pending = 0
727
self.bus = bus
728
Client.__init__(self, *args, **kwargs)
729
# Only now, when this client is initialized, can it show up on
730
# the D-Bus
731
client_object_name = unicode(self.name).translate(
732
{ord(u"."): ord(u"_"),
733
ord(u"-"): ord(u"_")})
734
self.dbus_object_path = (dbus.ObjectPath
735
(u"/clients/" + client_object_name))
736
DBusObjectWithProperties.__init__(self, self.bus,
737
self.dbus_object_path)
738
739
def _get_approvals_pending(self):
740
return self._approvals_pending
741
def _set_approvals_pending(self, value):
742
old_value = self._approvals_pending
743
self._approvals_pending = value
744
bval = bool(value)
745
if (hasattr(self, "dbus_object_path")
746
and bval is not bool(old_value)):
747
dbus_bool = dbus.Boolean(bval, variant_level=1)
748
self.PropertyChanged(dbus.String(u"ApprovalPending"),
749
dbus_bool)
750
751
approvals_pending = property(_get_approvals_pending,
752
_set_approvals_pending)
753
del _get_approvals_pending, _set_approvals_pending
754
755
@staticmethod
756
def _datetime_to_dbus(dt, variant_level=0):
757
"""Convert a UTC datetime.datetime() to a D-Bus type."""
758
return dbus.String(dt.isoformat(),
759
variant_level=variant_level)
760
761
def enable(self):
762
oldstate = getattr(self, u"enabled", False)
763
r = Client.enable(self)
764
if oldstate != self.enabled:
765
# Emit D-Bus signals
766
self.PropertyChanged(dbus.String(u"Enabled"),
767
dbus.Boolean(True, variant_level=1))
768
self.PropertyChanged(
769
dbus.String(u"LastEnabled"),
770
self._datetime_to_dbus(self.last_enabled,
771
variant_level=1))
772
return r
773
774
def disable(self, quiet = False):
775
oldstate = getattr(self, u"enabled", False)
776
r = Client.disable(self, quiet=quiet)
777
if not quiet and oldstate != self.enabled:
778
# Emit D-Bus signal
779
self.PropertyChanged(dbus.String(u"Enabled"),
780
dbus.Boolean(False, variant_level=1))
781
return r
782
783
def __del__(self, *args, **kwargs):
784
try:
785
self.remove_from_connection()
786
except LookupError:
787
pass
788
if hasattr(DBusObjectWithProperties, u"__del__"):
789
DBusObjectWithProperties.__del__(self, *args, **kwargs)
790
Client.__del__(self, *args, **kwargs)
791
792
def checker_callback(self, pid, condition, command,
793
*args, **kwargs):
794
self.checker_callback_tag = None
795
self.checker = None
796
# Emit D-Bus signal
797
self.PropertyChanged(dbus.String(u"CheckerRunning"),
798
dbus.Boolean(False, variant_level=1))
799
if os.WIFEXITED(condition):
800
exitstatus = os.WEXITSTATUS(condition)
801
# Emit D-Bus signal
802
self.CheckerCompleted(dbus.Int16(exitstatus),
803
dbus.Int64(condition),
804
dbus.String(command))
805
else:
806
# Emit D-Bus signal
807
self.CheckerCompleted(dbus.Int16(-1),
808
dbus.Int64(condition),
809
dbus.String(command))
810
811
return Client.checker_callback(self, pid, condition, command,
812
*args, **kwargs)
813
814
def checked_ok(self, *args, **kwargs):
815
r = Client.checked_ok(self, *args, **kwargs)
816
# Emit D-Bus signal
817
self.PropertyChanged(
818
dbus.String(u"LastCheckedOK"),
819
(self._datetime_to_dbus(self.last_checked_ok,
820
variant_level=1)))
821
return r
822
823
def need_approval(self, *args, **kwargs):
824
r = Client.need_approval(self, *args, **kwargs)
825
# Emit D-Bus signal
826
self.PropertyChanged(
827
dbus.String(u"LastApprovalRequest"),
828
(self._datetime_to_dbus(self.last_approval_request,
829
variant_level=1)))
830
return r
831
832
def start_checker(self, *args, **kwargs):
833
old_checker = self.checker
834
if self.checker is not None:
835
old_checker_pid = self.checker.pid
836
else:
837
old_checker_pid = None
838
r = Client.start_checker(self, *args, **kwargs)
839
# Only if new checker process was started
840
if (self.checker is not None
841
and old_checker_pid != self.checker.pid):
842
# Emit D-Bus signal
843
self.CheckerStarted(self.current_checker_command)
844
self.PropertyChanged(
845
dbus.String(u"CheckerRunning"),
846
dbus.Boolean(True, variant_level=1))
847
return r
848
849
def stop_checker(self, *args, **kwargs):
850
old_checker = getattr(self, u"checker", None)
851
r = Client.stop_checker(self, *args, **kwargs)
852
if (old_checker is not None
853
and getattr(self, u"checker", None) is None):
854
self.PropertyChanged(dbus.String(u"CheckerRunning"),
855
dbus.Boolean(False, variant_level=1))
856
return r
857
858
def _reset_approved(self):
859
self._approved = None
860
return False
861
862
def approve(self, value=True):
863
self.send_changedstate()
864
self._approved = value
865
gobject.timeout_add(self._timedelta_to_milliseconds
866
(self.approval_duration),
867
self._reset_approved)
868
869
870
## D-Bus methods, signals & properties
461
871
_interface = u"se.bsnet.fukt.Mandos.Client"
462
872
463
# CheckedOK - method
464
CheckedOK = dbus.service.method(_interface)(checked_ok)
465
CheckedOK.__name__ = "CheckedOK"
873
## Signals
466
874
467
875
# CheckerCompleted - signal
468
@dbus.service.signal(_interface, signature="nxs")
876
@dbus.service.signal(_interface, signature=u"nxs")
469
877
def CheckerCompleted(self, exitcode, waitstatus, command):
470
878
"D-Bus signal"
471
879
pass
472
880
473
881
# CheckerStarted - signal
474
@dbus.service.signal(_interface, signature="s")
882
@dbus.service.signal(_interface, signature=u"s")
475
883
def CheckerStarted(self, command):
476
884
"D-Bus signal"
477
885
pass
478
886
479
# GetAllProperties - method
480
@dbus.service.method(_interface, out_signature="a{sv}")
481
def GetAllProperties(self):
482
"D-Bus method"
483
return dbus.Dictionary({
484
dbus.String("name"):
485
dbus.String(self.name, variant_level=1),
486
dbus.String("fingerprint"):
487
dbus.String(self.fingerprint, variant_level=1),
488
dbus.String("host"):
489
dbus.String(self.host, variant_level=1),
490
dbus.String("created"):
491
_datetime_to_dbus(self.created, variant_level=1),
492
dbus.String("last_enabled"):
493
(_datetime_to_dbus(self.last_enabled,
494
variant_level=1)
495
if self.last_enabled is not None
496
else dbus.Boolean(False, variant_level=1)),
497
dbus.String("enabled"):
498
dbus.Boolean(self.enabled, variant_level=1),
499
dbus.String("last_checked_ok"):
500
(_datetime_to_dbus(self.last_checked_ok,
501
variant_level=1)
502
if self.last_checked_ok is not None
503
else dbus.Boolean (False, variant_level=1)),
504
dbus.String("timeout"):
505
dbus.UInt64(self.timeout_milliseconds(),
506
variant_level=1),
507
dbus.String("interval"):
508
dbus.UInt64(self.interval_milliseconds(),
509
variant_level=1),
510
dbus.String("checker"):
511
dbus.String(self.checker_command,
512
variant_level=1),
513
dbus.String("checker_running"):
514
dbus.Boolean(self.checker is not None,
515
variant_level=1),
516
dbus.String("object_path"):
517
dbus.ObjectPath(self.dbus_object_path,
518
variant_level=1)
519
}, signature="sv")
520
521
# IsStillValid - method
522
IsStillValid = (dbus.service.method(_interface, out_signature="b")
523
(still_valid))
524
IsStillValid.__name__ = "IsStillValid"
525
526
887
# PropertyChanged - signal
527
@dbus.service.signal(_interface, signature="sv")
888
@dbus.service.signal(_interface, signature=u"sv")
528
889
def PropertyChanged(self, property, value):
529
890
"D-Bus signal"
530
891
pass
531
892
532
# SetChecker - method
533
@dbus.service.method(_interface, in_signature="s")
534
def SetChecker(self, checker):
535
"D-Bus setter method"
536
self.checker_command = checker
537
# Emit D-Bus signal
538
self.PropertyChanged(dbus.String(u"checker"),
539
dbus.String(self.checker_command,
540
variant_level=1))
541
542
# SetHost - method
543
@dbus.service.method(_interface, in_signature="s")
544
def SetHost(self, host):
545
"D-Bus setter method"
546
self.host = host
547
# Emit D-Bus signal
548
self.PropertyChanged(dbus.String(u"host"),
549
dbus.String(self.host, variant_level=1))
550
551
# SetInterval - method
552
@dbus.service.method(_interface, in_signature="t")
553
def SetInterval(self, milliseconds):
554
self.interval = datetime.timedelta(0, 0, 0, milliseconds)
555
# Emit D-Bus signal
556
self.PropertyChanged(dbus.String(u"interval"),
557
(dbus.UInt64(self.interval_milliseconds(),
558
variant_level=1)))
559
560
# SetSecret - method
561
@dbus.service.method(_interface, in_signature="ay",
562
byte_arrays=True)
563
def SetSecret(self, secret):
564
"D-Bus setter method"
565
self.secret = str(secret)
566
567
# SetTimeout - method
568
@dbus.service.method(_interface, in_signature="t")
569
def SetTimeout(self, milliseconds):
570
self.timeout = datetime.timedelta(0, 0, 0, milliseconds)
571
# Emit D-Bus signal
572
self.PropertyChanged(dbus.String(u"timeout"),
573
(dbus.UInt64(self.timeout_milliseconds(),
574
variant_level=1)))
893
# GotSecret - signal
894
@dbus.service.signal(_interface)
895
def GotSecret(self):
896
"""D-Bus signal
897
Is sent after a successful transfer of secret from the Mandos
898
server to mandos-client
899
"""
900
pass
901
902
# Rejected - signal
903
@dbus.service.signal(_interface, signature=u"s")
904
def Rejected(self, reason):
905
"D-Bus signal"
906
pass
907
908
# NeedApproval - signal
909
@dbus.service.signal(_interface, signature=u"tb")
910
def NeedApproval(self, timeout, default):
911
"D-Bus signal"
912
return self.need_approval()
913
914
## Methods
915
916
# Approve - method
917
@dbus.service.method(_interface, in_signature=u"b")
918
def Approve(self, value):
919
self.approve(value)
920
921
# CheckedOK - method
922
@dbus.service.method(_interface)
923
def CheckedOK(self):
924
return self.checked_ok()
575
925
576
926
# Enable - method
577
Enable = dbus.service.method(_interface)(enable)
578
Enable.__name__ = "Enable"
927
@dbus.service.method(_interface)
928
def Enable(self):
929
"D-Bus method"
930
self.enable()
579
931
580
932
# StartChecker - method
581
933
@dbus.service.method(_interface)
590
942
self.disable()
591
943
592
944
# StopChecker - method
593
StopChecker = dbus.service.method(_interface)(stop_checker)
594
StopChecker.__name__ = "StopChecker"
945
@dbus.service.method(_interface)
946
def StopChecker(self):
947
self.stop_checker()
948
949
## Properties
950
951
# ApprovalPending - property
952
@dbus_service_property(_interface, signature=u"b", access=u"read")
953
def ApprovalPending_dbus_property(self):
954
return dbus.Boolean(bool(self.approvals_pending))
955
956
# ApprovedByDefault - property
957
@dbus_service_property(_interface, signature=u"b",
958
access=u"readwrite")
959
def ApprovedByDefault_dbus_property(self, value=None):
960
if value is None: # get
961
return dbus.Boolean(self.approved_by_default)
962
self.approved_by_default = bool(value)
963
# Emit D-Bus signal
964
self.PropertyChanged(dbus.String(u"ApprovedByDefault"),
965
dbus.Boolean(value, variant_level=1))
966
967
# ApprovalDelay - property
968
@dbus_service_property(_interface, signature=u"t",
969
access=u"readwrite")
970
def ApprovalDelay_dbus_property(self, value=None):
971
if value is None: # get
972
return dbus.UInt64(self.approval_delay_milliseconds())
973
self.approval_delay = datetime.timedelta(0, 0, 0, value)
974
# Emit D-Bus signal
975
self.PropertyChanged(dbus.String(u"ApprovalDelay"),
976
dbus.UInt64(value, variant_level=1))
977
978
# ApprovalDuration - property
979
@dbus_service_property(_interface, signature=u"t",
980
access=u"readwrite")
981
def ApprovalDuration_dbus_property(self, value=None):
982
if value is None: # get
983
return dbus.UInt64(self._timedelta_to_milliseconds(
984
self.approval_duration))
985
self.approval_duration = datetime.timedelta(0, 0, 0, value)
986
# Emit D-Bus signal
987
self.PropertyChanged(dbus.String(u"ApprovalDuration"),
988
dbus.UInt64(value, variant_level=1))
989
990
# Name - property
991
@dbus_service_property(_interface, signature=u"s", access=u"read")
992
def Name_dbus_property(self):
993
return dbus.String(self.name)
994
995
# Fingerprint - property
996
@dbus_service_property(_interface, signature=u"s", access=u"read")
997
def Fingerprint_dbus_property(self):
998
return dbus.String(self.fingerprint)
999
1000
# Host - property
1001
@dbus_service_property(_interface, signature=u"s",
1002
access=u"readwrite")
1003
def Host_dbus_property(self, value=None):
1004
if value is None: # get
1005
return dbus.String(self.host)
1006
self.host = value
1007
# Emit D-Bus signal
1008
self.PropertyChanged(dbus.String(u"Host"),
1009
dbus.String(value, variant_level=1))
1010
1011
# Created - property
1012
@dbus_service_property(_interface, signature=u"s", access=u"read")
1013
def Created_dbus_property(self):
1014
return dbus.String(self._datetime_to_dbus(self.created))
1015
1016
# LastEnabled - property
1017
@dbus_service_property(_interface, signature=u"s", access=u"read")
1018
def LastEnabled_dbus_property(self):
1019
if self.last_enabled is None:
1020
return dbus.String(u"")
1021
return dbus.String(self._datetime_to_dbus(self.last_enabled))
1022
1023
# Enabled - property
1024
@dbus_service_property(_interface, signature=u"b",
1025
access=u"readwrite")
1026
def Enabled_dbus_property(self, value=None):
1027
if value is None: # get
1028
return dbus.Boolean(self.enabled)
1029
if value:
1030
self.enable()
1031
else:
1032
self.disable()
1033
1034
# LastCheckedOK - property
1035
@dbus_service_property(_interface, signature=u"s",
1036
access=u"readwrite")
1037
def LastCheckedOK_dbus_property(self, value=None):
1038
if value is not None:
1039
self.checked_ok()
1040
return
1041
if self.last_checked_ok is None:
1042
return dbus.String(u"")
1043
return dbus.String(self._datetime_to_dbus(self
1044
.last_checked_ok))
1045
1046
# LastApprovalRequest - property
1047
@dbus_service_property(_interface, signature=u"s", access=u"read")
1048
def LastApprovalRequest_dbus_property(self):
1049
if self.last_approval_request is None:
1050
return dbus.String(u"")
1051
return dbus.String(self.
1052
_datetime_to_dbus(self
1053
.last_approval_request))
1054
1055
# Timeout - property
1056
@dbus_service_property(_interface, signature=u"t",
1057
access=u"readwrite")
1058
def Timeout_dbus_property(self, value=None):
1059
if value is None: # get
1060
return dbus.UInt64(self.timeout_milliseconds())
1061
self.timeout = datetime.timedelta(0, 0, 0, value)
1062
# Emit D-Bus signal
1063
self.PropertyChanged(dbus.String(u"Timeout"),
1064
dbus.UInt64(value, variant_level=1))
1065
if getattr(self, u"disable_initiator_tag", None) is None:
1066
return
1067
# Reschedule timeout
1068
gobject.source_remove(self.disable_initiator_tag)
1069
self.disable_initiator_tag = None
1070
time_to_die = (self.
1071
_timedelta_to_milliseconds((self
1072
.last_checked_ok
1073
+ self.timeout)
1074
- datetime.datetime
1075
.utcnow()))
1076
if time_to_die <= 0:
1077
# The timeout has passed
1078
self.disable()
1079
else:
1080
self.disable_initiator_tag = (gobject.timeout_add
1081
(time_to_die, self.disable))
1082
1083
# Interval - property
1084
@dbus_service_property(_interface, signature=u"t",
1085
access=u"readwrite")
1086
def Interval_dbus_property(self, value=None):
1087
if value is None: # get
1088
return dbus.UInt64(self.interval_milliseconds())
1089
self.interval = datetime.timedelta(0, 0, 0, value)
1090
# Emit D-Bus signal
1091
self.PropertyChanged(dbus.String(u"Interval"),
1092
dbus.UInt64(value, variant_level=1))
1093
if getattr(self, u"checker_initiator_tag", None) is None:
1094
return
1095
# Reschedule checker run
1096
gobject.source_remove(self.checker_initiator_tag)
1097
self.checker_initiator_tag = (gobject.timeout_add
1098
(value, self.start_checker))
1099
self.start_checker() # Start one now, too
1100
1101
# Checker - property
1102
@dbus_service_property(_interface, signature=u"s",
1103
access=u"readwrite")
1104
def Checker_dbus_property(self, value=None):
1105
if value is None: # get
1106
return dbus.String(self.checker_command)
1107
self.checker_command = value
1108
# Emit D-Bus signal
1109
self.PropertyChanged(dbus.String(u"Checker"),
1110
dbus.String(self.checker_command,
1111
variant_level=1))
1112
1113
# CheckerRunning - property
1114
@dbus_service_property(_interface, signature=u"b",
1115
access=u"readwrite")
1116
def CheckerRunning_dbus_property(self, value=None):
1117
if value is None: # get
1118
return dbus.Boolean(self.checker is not None)
1119
if value:
1120
self.start_checker()
1121
else:
1122
self.stop_checker()
1123
1124
# ObjectPath - property
1125
@dbus_service_property(_interface, signature=u"o", access=u"read")
1126
def ObjectPath_dbus_property(self):
1127
return self.dbus_object_path # is already a dbus.ObjectPath
1128
1129
# Secret = property
1130
@dbus_service_property(_interface, signature=u"ay",
1131
access=u"write", byte_arrays=True)
1132
def Secret_dbus_property(self, value):
1133
self.secret = str(value)
595
1134
596
1135
del _interface
597
1136
598
1137
599
def peer_certificate(session):
600
"Return the peer's OpenPGP certificate as a bytestring"
601
# If not an OpenPGP certificate...
602
if (gnutls.library.functions
603
.gnutls_certificate_type_get(session._c_object)
604
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
605
# ...do the normal thing
606
return session.peer_certificate
607
list_size = ctypes.c_uint(1)
608
cert_list = (gnutls.library.functions
609
.gnutls_certificate_get_peers
610
(session._c_object, ctypes.byref(list_size)))
611
if not bool(cert_list) and list_size.value != 0:
612
raise gnutls.errors.GNUTLSError("error getting peer"
613
" certificate")
614
if list_size.value == 0:
615
return None
616
cert = cert_list[0]
617
return ctypes.string_at(cert.data, cert.size)
618
619
620
def fingerprint(openpgp):
621
"Convert an OpenPGP bytestring to a hexdigit fingerprint string"
622
# New GnuTLS "datum" with the OpenPGP public key
623
datum = (gnutls.library.types
624
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
625
ctypes.POINTER
626
(ctypes.c_ubyte)),
627
ctypes.c_uint(len(openpgp))))
628
# New empty GnuTLS certificate
629
crt = gnutls.library.types.gnutls_openpgp_crt_t()
630
(gnutls.library.functions
631
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
632
# Import the OpenPGP public key into the certificate
633
(gnutls.library.functions
634
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
635
gnutls.library.constants
636
.GNUTLS_OPENPGP_FMT_RAW))
637
# Verify the self signature in the key
638
crtverify = ctypes.c_uint()
639
(gnutls.library.functions
640
.gnutls_openpgp_crt_verify_self(crt, 0, ctypes.byref(crtverify)))
641
if crtverify.value != 0:
642
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
643
raise gnutls.errors.CertificateSecurityError("Verify failed")
644
# New buffer for the fingerprint
645
buf = ctypes.create_string_buffer(20)
646
buf_len = ctypes.c_size_t()
647
# Get the fingerprint from the certificate into the buffer
648
(gnutls.library.functions
649
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
650
ctypes.byref(buf_len)))
651
# Deinit the certificate
652
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
653
# Convert the buffer to a Python bytestring
654
fpr = ctypes.string_at(buf, buf_len.value)
655
# Convert the bytestring to hexadecimal notation
656
hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
657
return hex_fpr
658
659
660
class TCP_handler(SocketServer.BaseRequestHandler, object):
661
"""A TCP request handler class.
662
Instantiated by IPv6_TCPServer for each request to handle it.
1138
class ProxyClient(object):
1139
def __init__(self, child_pipe, fpr, address):
1140
self._pipe = child_pipe
1141
self._pipe.send(('init', fpr, address))
1142
if not self._pipe.recv():
1143
raise KeyError()
1144
1145
def __getattribute__(self, name):
1146
if(name == '_pipe'):
1147
return super(ProxyClient, self).__getattribute__(name)
1148
self._pipe.send(('getattr', name))
1149
data = self._pipe.recv()
1150
if data[0] == 'data':
1151
return data[1]
1152
if data[0] == 'function':
1153
def func(*args, **kwargs):
1154
self._pipe.send(('funcall', name, args, kwargs))
1155
return self._pipe.recv()[1]
1156
return func
1157
1158
def __setattr__(self, name, value):
1159
if(name == '_pipe'):
1160
return super(ProxyClient, self).__setattr__(name, value)
1161
self._pipe.send(('setattr', name, value))
1162
1163
1164
class ClientHandler(socketserver.BaseRequestHandler, object):
1165
"""A class to handle client connections.
1166
1167
Instantiated once for each connection to handle it.
663
1168
Note: This will run in its own forked process."""
664
1169
665
1170
def handle(self):
666
logger.info(u"TCP connection from: %s",
667
unicode(self.client_address))
668
session = (gnutls.connection
669
.ClientSession(self.request,
670
gnutls.connection
671
.X509Credentials()))
672
673
line = self.request.makefile().readline()
674
logger.debug(u"Protocol version: %r", line)
675
try:
676
if int(line.strip().split()[0]) > 1:
677
raise RuntimeError
678
except (ValueError, IndexError, RuntimeError), error:
679
logger.error(u"Unknown protocol version: %s", error)
680
return
681
682
# Note: gnutls.connection.X509Credentials is really a generic
683
# GnuTLS certificate credentials object so long as no X.509
684
# keys are added to it. Therefore, we can use it here despite
685
# using OpenPGP certificates.
686
687
#priority = ':'.join(("NONE", "+VERS-TLS1.1", "+AES-256-CBC",
688
# "+SHA1", "+COMP-NULL", "+CTYPE-OPENPGP",
689
# "+DHE-DSS"))
690
# Use a fallback default, since this MUST be set.
691
priority = self.server.settings.get("priority", "NORMAL")
692
(gnutls.library.functions
693
.gnutls_priority_set_direct(session._c_object,
694
priority, None))
695
696
try:
697
session.handshake()
698
except gnutls.errors.GNUTLSError, error:
699
logger.warning(u"Handshake failed: %s", error)
700
# Do not run session.bye() here: the session is not
701
# established. Just abandon the request.
702
return
703
logger.debug(u"Handshake succeeded")
704
try:
705
fpr = fingerprint(peer_certificate(session))
706
except (TypeError, gnutls.errors.GNUTLSError), error:
707
logger.warning(u"Bad certificate: %s", error)
708
session.bye()
709
return
710
logger.debug(u"Fingerprint: %s", fpr)
711
712
for c in self.server.clients:
713
if c.fingerprint == fpr:
714
client = c
715
break
716
else:
717
logger.warning(u"Client not found for fingerprint: %s",
718
fpr)
719
session.bye()
720
return
721
# Have to check if client.still_valid(), since it is possible
722
# that the client timed out while establishing the GnuTLS
723
# session.
724
if not client.still_valid():
725
logger.warning(u"Client %(name)s is invalid",
726
vars(client))
727
session.bye()
728
return
729
## This won't work here, since we're in a fork.
730
# client.checked_ok()
731
sent_size = 0
732
while sent_size < len(client.secret):
733
sent = session.send(client.secret[sent_size:])
734
logger.debug(u"Sent: %d, remaining: %d",
735
sent, len(client.secret)
736
- (sent_size + sent))
737
sent_size += sent
738
session.bye()
739
740
741
class IPv6_TCPServer(SocketServer.ForkingMixIn,
742
SocketServer.TCPServer, object):
743
"""IPv6-capable TCP server. Accepts 'None' as address and/or port.
1171
with contextlib.closing(self.server.child_pipe) as child_pipe:
1172
logger.info(u"TCP connection from: %s",
1173
unicode(self.client_address))
1174
logger.debug(u"Pipe FD: %d",
1175
self.server.child_pipe.fileno())
1176
1177
session = (gnutls.connection
1178
.ClientSession(self.request,
1179
gnutls.connection
1180
.X509Credentials()))
1181
1182
# Note: gnutls.connection.X509Credentials is really a
1183
# generic GnuTLS certificate credentials object so long as
1184
# no X.509 keys are added to it. Therefore, we can use it
1185
# here despite using OpenPGP certificates.
1186
1187
#priority = u':'.join((u"NONE", u"+VERS-TLS1.1",
1188
# u"+AES-256-CBC", u"+SHA1",
1189
# u"+COMP-NULL", u"+CTYPE-OPENPGP",
1190
# u"+DHE-DSS"))
1191
# Use a fallback default, since this MUST be set.
1192
priority = self.server.gnutls_priority
1193
if priority is None:
1194
priority = u"NORMAL"
1195
(gnutls.library.functions
1196
.gnutls_priority_set_direct(session._c_object,
1197
priority, None))
1198
1199
# Start communication using the Mandos protocol
1200
# Get protocol number
1201
line = self.request.makefile().readline()
1202
logger.debug(u"Protocol version: %r", line)
1203
try:
1204
if int(line.strip().split()[0]) > 1:
1205
raise RuntimeError
1206
except (ValueError, IndexError, RuntimeError), error:
1207
logger.error(u"Unknown protocol version: %s", error)
1208
return
1209
1210
# Start GnuTLS connection
1211
try:
1212
session.handshake()
1213
except gnutls.errors.GNUTLSError, error:
1214
logger.warning(u"Handshake failed: %s", error)
1215
# Do not run session.bye() here: the session is not
1216
# established. Just abandon the request.
1217
return
1218
logger.debug(u"Handshake succeeded")
1219
1220
approval_required = False
1221
try:
1222
try:
1223
fpr = self.fingerprint(self.peer_certificate
1224
(session))
1225
except (TypeError, gnutls.errors.GNUTLSError), error:
1226
logger.warning(u"Bad certificate: %s", error)
1227
return
1228
logger.debug(u"Fingerprint: %s", fpr)
1229
1230
try:
1231
client = ProxyClient(child_pipe, fpr,
1232
self.client_address)
1233
except KeyError:
1234
return
1235
1236
if client.approval_delay:
1237
delay = client.approval_delay
1238
client.approvals_pending += 1
1239
approval_required = True
1240
1241
while True:
1242
if not client.enabled:
1243
logger.warning(u"Client %s is disabled",
1244
client.name)
1245
if self.server.use_dbus:
1246
# Emit D-Bus signal
1247
client.Rejected("Disabled")
1248
return
1249
1250
if client._approved or not client.approval_delay:
1251
#We are approved or approval is disabled
1252
break
1253
elif client._approved is None:
1254
logger.info(u"Client %s needs approval",
1255
client.name)
1256
if self.server.use_dbus:
1257
# Emit D-Bus signal
1258
client.NeedApproval(
1259
client.approval_delay_milliseconds(),
1260
client.approved_by_default)
1261
else:
1262
logger.warning(u"Client %s was not approved",
1263
client.name)
1264
if self.server.use_dbus:
1265
# Emit D-Bus signal
1266
client.Rejected("Denied")
1267
return
1268
1269
#wait until timeout or approved
1270
#x = float(client._timedelta_to_milliseconds(delay))
1271
time = datetime.datetime.now()
1272
client.changedstate.acquire()
1273
client.changedstate.wait(float(client._timedelta_to_milliseconds(delay) / 1000))
1274
client.changedstate.release()
1275
time2 = datetime.datetime.now()
1276
if (time2 - time) >= delay:
1277
if not client.approved_by_default:
1278
logger.warning("Client %s timed out while"
1279
" waiting for approval",
1280
client.name)
1281
if self.server.use_dbus:
1282
# Emit D-Bus signal
1283
client.Rejected("Approval timed out")
1284
return
1285
else:
1286
break
1287
else:
1288
delay -= time2 - time
1289
1290
sent_size = 0
1291
while sent_size < len(client.secret):
1292
try:
1293
sent = session.send(client.secret[sent_size:])
1294
except (gnutls.errors.GNUTLSError), error:
1295
logger.warning("gnutls send failed")
1296
return
1297
logger.debug(u"Sent: %d, remaining: %d",
1298
sent, len(client.secret)
1299
- (sent_size + sent))
1300
sent_size += sent
1301
1302
logger.info(u"Sending secret to %s", client.name)
1303
# bump the timeout as if seen
1304
client.checked_ok()
1305
if self.server.use_dbus:
1306
# Emit D-Bus signal
1307
client.GotSecret()
1308
1309
finally:
1310
if approval_required:
1311
client.approvals_pending -= 1
1312
try:
1313
session.bye()
1314
except (gnutls.errors.GNUTLSError), error:
1315
logger.warning("GnuTLS bye failed")
1316
1317
@staticmethod
1318
def peer_certificate(session):
1319
"Return the peer's OpenPGP certificate as a bytestring"
1320
# If not an OpenPGP certificate...
1321
if (gnutls.library.functions
1322
.gnutls_certificate_type_get(session._c_object)
1323
!= gnutls.library.constants.GNUTLS_CRT_OPENPGP):
1324
# ...do the normal thing
1325
return session.peer_certificate
1326
list_size = ctypes.c_uint(1)
1327
cert_list = (gnutls.library.functions
1328
.gnutls_certificate_get_peers
1329
(session._c_object, ctypes.byref(list_size)))
1330
if not bool(cert_list) and list_size.value != 0:
1331
raise gnutls.errors.GNUTLSError(u"error getting peer"
1332
u" certificate")
1333
if list_size.value == 0:
1334
return None
1335
cert = cert_list[0]
1336
return ctypes.string_at(cert.data, cert.size)
1337
1338
@staticmethod
1339
def fingerprint(openpgp):
1340
"Convert an OpenPGP bytestring to a hexdigit fingerprint"
1341
# New GnuTLS "datum" with the OpenPGP public key
1342
datum = (gnutls.library.types
1343
.gnutls_datum_t(ctypes.cast(ctypes.c_char_p(openpgp),
1344
ctypes.POINTER
1345
(ctypes.c_ubyte)),
1346
ctypes.c_uint(len(openpgp))))
1347
# New empty GnuTLS certificate
1348
crt = gnutls.library.types.gnutls_openpgp_crt_t()
1349
(gnutls.library.functions
1350
.gnutls_openpgp_crt_init(ctypes.byref(crt)))
1351
# Import the OpenPGP public key into the certificate
1352
(gnutls.library.functions
1353
.gnutls_openpgp_crt_import(crt, ctypes.byref(datum),
1354
gnutls.library.constants
1355
.GNUTLS_OPENPGP_FMT_RAW))
1356
# Verify the self signature in the key
1357
crtverify = ctypes.c_uint()
1358
(gnutls.library.functions
1359
.gnutls_openpgp_crt_verify_self(crt, 0,
1360
ctypes.byref(crtverify)))
1361
if crtverify.value != 0:
1362
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1363
raise (gnutls.errors.CertificateSecurityError
1364
(u"Verify failed"))
1365
# New buffer for the fingerprint
1366
buf = ctypes.create_string_buffer(20)
1367
buf_len = ctypes.c_size_t()
1368
# Get the fingerprint from the certificate into the buffer
1369
(gnutls.library.functions
1370
.gnutls_openpgp_crt_get_fingerprint(crt, ctypes.byref(buf),
1371
ctypes.byref(buf_len)))
1372
# Deinit the certificate
1373
gnutls.library.functions.gnutls_openpgp_crt_deinit(crt)
1374
# Convert the buffer to a Python bytestring
1375
fpr = ctypes.string_at(buf, buf_len.value)
1376
# Convert the bytestring to hexadecimal notation
1377
hex_fpr = u''.join(u"%02X" % ord(char) for char in fpr)
1378
return hex_fpr
1379
1380
1381
class MultiprocessingMixIn(object):
1382
"""Like socketserver.ThreadingMixIn, but with multiprocessing"""
1383
def sub_process_main(self, request, address):
1384
try:
1385
self.finish_request(request, address)
1386
except:
1387
self.handle_error(request, address)
1388
self.close_request(request)
1389
1390
def process_request(self, request, address):
1391
"""Start a new process to process the request."""
1392
multiprocessing.Process(target = self.sub_process_main,
1393
args = (request, address)).start()
1394
1395
class MultiprocessingMixInWithPipe(MultiprocessingMixIn, object):
1396
""" adds a pipe to the MixIn """
1397
def process_request(self, request, client_address):
1398
"""Overrides and wraps the original process_request().
1399
1400
This function creates a new pipe in self.pipe
1401
"""
1402
parent_pipe, self.child_pipe = multiprocessing.Pipe()
1403
1404
super(MultiprocessingMixInWithPipe,
1405
self).process_request(request, client_address)
1406
self.child_pipe.close()
1407
self.add_pipe(parent_pipe)
1408
1409
def add_pipe(self, parent_pipe):
1410
"""Dummy function; override as necessary"""
1411
pass
1412
1413
class IPv6_TCPServer(MultiprocessingMixInWithPipe,
1414
socketserver.TCPServer, object):
1415
"""IPv6-capable TCP server. Accepts 'None' as address and/or port
1416
744
1417
Attributes:
745
settings: Server settings
746
clients: Set() of Client objects
747
1418
enabled: Boolean; whether this server is activated yet
1419
interface: None or a network interface name (string)
1420
use_ipv6: Boolean; to use IPv6 or not
748
1421
"""
749
address_family = socket.AF_INET6
750
def __init__(self, *args, **kwargs):
751
if "settings" in kwargs:
752
self.settings = kwargs["settings"]
753
del kwargs["settings"]
754
if "clients" in kwargs:
755
self.clients = kwargs["clients"]
756
del kwargs["clients"]
757
if "use_ipv6" in kwargs:
758
if not kwargs["use_ipv6"]:
759
self.address_family = socket.AF_INET
760
del kwargs["use_ipv6"]
761
self.enabled = False
762
super(IPv6_TCPServer, self).__init__(*args, **kwargs)
1422
def __init__(self, server_address, RequestHandlerClass,
1423
interface=None, use_ipv6=True):
1424
self.interface = interface
1425
if use_ipv6:
1426
self.address_family = socket.AF_INET6
1427
socketserver.TCPServer.__init__(self, server_address,
1428
RequestHandlerClass)
763
1429
def server_bind(self):
764
1430
"""This overrides the normal server_bind() function
765
1431
to bind to an interface if one was specified, and also NOT to
766
1432
bind to an address or port if they were not specified."""
767
if self.settings["interface"]:
768
# 25 is from /usr/include/asm-i486/socket.h
769
SO_BINDTODEVICE = getattr(socket, "SO_BINDTODEVICE", 25)
770
try:
771
self.socket.setsockopt(socket.SOL_SOCKET,
772
SO_BINDTODEVICE,
773
self.settings["interface"])
774
except socket.error, error:
775
if error[0] == errno.EPERM:
776
logger.error(u"No permission to"
777
u" bind to interface %s",
778
self.settings["interface"])
779
else:
780
raise
1433
if self.interface is not None:
1434
if SO_BINDTODEVICE is None:
1435
logger.error(u"SO_BINDTODEVICE does not exist;"
1436
u" cannot bind to interface %s",
1437
self.interface)
1438
else:
1439
try:
1440
self.socket.setsockopt(socket.SOL_SOCKET,
1441
SO_BINDTODEVICE,
1442
str(self.interface
1443
+ u'\0'))
1444
except socket.error, error:
1445
if error[0] == errno.EPERM:
1446
logger.error(u"No permission to"
1447
u" bind to interface %s",
1448
self.interface)
1449
elif error[0] == errno.ENOPROTOOPT:
1450
logger.error(u"SO_BINDTODEVICE not available;"
1451
u" cannot bind to interface %s",
1452
self.interface)
1453
else:
1454
raise
781
1455
# Only bind(2) the socket if we really need to.
782
1456
if self.server_address[0] or self.server_address[1]:
783
1457
if not self.server_address[0]:
784
1458
if self.address_family == socket.AF_INET6:
785
any_address = "::" # in6addr_any
1459
any_address = u"::" # in6addr_any
786
1460
else:
787
1461
any_address = socket.INADDR_ANY
788
1462
self.server_address = (any_address,
790
1464
elif not self.server_address[1]:
791
1465
self.server_address = (self.server_address[0],
792
1466
0)
793
# if self.settings["interface"]:
1467
# if self.interface:
794
1468
# self.server_address = (self.server_address[0],
795
1469
# 0, # port
796
1470
# 0, # flowinfo
797
1471
# if_nametoindex
798
# (self.settings
799
# ["interface"]))
800
return super(IPv6_TCPServer, self).server_bind()
1472
# (self.interface))
1473
return socketserver.TCPServer.server_bind(self)
1474
1475
1476
class MandosServer(IPv6_TCPServer):
1477
"""Mandos server.
1478
1479
Attributes:
1480
clients: set of Client objects
1481
gnutls_priority GnuTLS priority string
1482
use_dbus: Boolean; to emit D-Bus signals or not
1483
1484
Assumes a gobject.MainLoop event loop.
1485
"""
1486
def __init__(self, server_address, RequestHandlerClass,
1487
interface=None, use_ipv6=True, clients=None,
1488
gnutls_priority=None, use_dbus=True):
1489
self.enabled = False
1490
self.clients = clients
1491
if self.clients is None:
1492
self.clients = set()
1493
self.use_dbus = use_dbus
1494
self.gnutls_priority = gnutls_priority
1495
IPv6_TCPServer.__init__(self, server_address,
1496
RequestHandlerClass,
1497
interface = interface,
1498
use_ipv6 = use_ipv6)
801
1499
def server_activate(self):
802
1500
if self.enabled:
803
return super(IPv6_TCPServer, self).server_activate()
1501
return socketserver.TCPServer.server_activate(self)
804
1502
def enable(self):
805
1503
self.enabled = True
1504
def add_pipe(self, parent_pipe):
1505
# Call "handle_ipc" for both data and EOF events
1506
gobject.io_add_watch(parent_pipe.fileno(),
1507
gobject.IO_IN | gobject.IO_HUP,
1508
functools.partial(self.handle_ipc,
1509
parent_pipe = parent_pipe))
1510
1511
def handle_ipc(self, source, condition, parent_pipe=None,
1512
client_object=None):
1513
condition_names = {
1514
gobject.IO_IN: u"IN", # There is data to read.
1515
gobject.IO_OUT: u"OUT", # Data can be written (without
1516
# blocking).
1517
gobject.IO_PRI: u"PRI", # There is urgent data to read.
1518
gobject.IO_ERR: u"ERR", # Error condition.
1519
gobject.IO_HUP: u"HUP" # Hung up (the connection has been
1520
# broken, usually for pipes and
1521
# sockets).
1522
}
1523
conditions_string = ' | '.join(name
1524
for cond, name in
1525
condition_names.iteritems()
1526
if cond & condition)
1527
# error or the other end of multiprocessing.Pipe has closed
1528
if condition & (gobject.IO_ERR | condition & gobject.IO_HUP):
1529
return False
1530
1531
# Read a request from the child
1532
request = parent_pipe.recv()
1533
command = request[0]
1534
1535
if command == 'init':
1536
fpr = request[1]
1537
address = request[2]
1538
1539
for c in self.clients:
1540
if c.fingerprint == fpr:
1541
client = c
1542
break
1543
else:
1544
logger.warning(u"Client not found for fingerprint: %s, ad"
1545
u"dress: %s", fpr, address)
1546
if self.use_dbus:
1547
# Emit D-Bus signal
1548
mandos_dbus_service.ClientNotFound(fpr, address[0])
1549
parent_pipe.send(False)
1550
return False
1551
1552
gobject.io_add_watch(parent_pipe.fileno(),
1553
gobject.IO_IN | gobject.IO_HUP,
1554
functools.partial(self.handle_ipc,
1555
parent_pipe = parent_pipe,
1556
client_object = client))
1557
parent_pipe.send(True)
1558
# remove the old hook in favor of the new above hook on same fileno
1559
return False
1560
if command == 'funcall':
1561
funcname = request[1]
1562
args = request[2]
1563
kwargs = request[3]
1564
1565
parent_pipe.send(('data', getattr(client_object, funcname)(*args, **kwargs)))
1566
1567
if command == 'getattr':
1568
attrname = request[1]
1569
if callable(client_object.__getattribute__(attrname)):
1570
parent_pipe.send(('function',))
1571
else:
1572
parent_pipe.send(('data', client_object.__getattribute__(attrname)))
1573
1574
if command == 'setattr':
1575
attrname = request[1]
1576
value = request[2]
1577
setattr(client_object, attrname, value)
1578
1579
return True
806
1580
807
1581
808
1582
def string_to_delta(interval):
809
1583
"""Parse a string and return a datetime.timedelta
810
1584
811
>>> string_to_delta('7d')
1585
>>> string_to_delta(u'7d')
812
1586
datetime.timedelta(7)
813
>>> string_to_delta('60s')
1587
>>> string_to_delta(u'60s')
814
1588
datetime.timedelta(0, 60)
815
>>> string_to_delta('60m')
1589
>>> string_to_delta(u'60m')
816
1590
datetime.timedelta(0, 3600)
817
>>> string_to_delta('24h')
1591
>>> string_to_delta(u'24h')
818
1592
datetime.timedelta(1)
819
1593
>>> string_to_delta(u'1w')
820
1594
datetime.timedelta(7)
821
>>> string_to_delta('5m 30s')
1595
>>> string_to_delta(u'5m 30s')
822
1596
datetime.timedelta(0, 330)
823
1597
"""
824
1598
timevalue = datetime.timedelta(0)
837
1611
elif suffix == u"w":
838
1612
delta = datetime.timedelta(0, 0, 0, 0, 0, 0, value)
839
1613
else:
840
raise ValueError
841
except (ValueError, IndexError):
842
raise ValueError
1614
raise ValueError(u"Unknown suffix %r" % suffix)
1615
except (ValueError, IndexError), e:
1616
raise ValueError(e.message)
843
1617
timevalue += delta
844
1618
return timevalue
845
1619
846
1620
847
def server_state_changed(state):
848
"""Derived from the Avahi example code"""
849
if state == avahi.SERVER_COLLISION:
850
logger.error(u"Zeroconf server name collision")
851
service.remove()
852
elif state == avahi.SERVER_RUNNING:
853
service.add()
854
855
856
def entry_group_state_changed(state, error):
857
"""Derived from the Avahi example code"""
858
logger.debug(u"Avahi state change: %i", state)
859
860
if state == avahi.ENTRY_GROUP_ESTABLISHED:
861
logger.debug(u"Zeroconf service established.")
862
elif state == avahi.ENTRY_GROUP_COLLISION:
863
logger.warning(u"Zeroconf service name collision.")
864
service.rename()
865
elif state == avahi.ENTRY_GROUP_FAILURE:
866
logger.critical(u"Avahi: Error in group state changed %s",
867
unicode(error))
868
raise AvahiGroupError(u"State changed: %s" % unicode(error))
869
870
1621
def if_nametoindex(interface):
871
"""Call the C function if_nametoindex(), or equivalent"""
1622
"""Call the C function if_nametoindex(), or equivalent
1623
1624
Note: This function cannot accept a unicode string."""
872
1625
global if_nametoindex
873
1626
try:
874
1627
if_nametoindex = (ctypes.cdll.LoadLibrary
875
(ctypes.util.find_library("c"))
1628
(ctypes.util.find_library(u"c"))
876
1629
.if_nametoindex)
877
1630
except (OSError, AttributeError):
878
if "struct" not in sys.modules:
879
import struct
880
if "fcntl" not in sys.modules:
881
import fcntl
1631
logger.warning(u"Doing if_nametoindex the hard way")
882
1632
def if_nametoindex(interface):
883
1633
"Get an interface index the hard way, i.e. using fcntl()"
884
1634
SIOCGIFINDEX = 0x8933 # From /usr/include/linux/sockios.h
885
with closing(socket.socket()) as s:
1635
with contextlib.closing(socket.socket()) as s:
886
1636
ifreq = fcntl.ioctl(s, SIOCGIFINDEX,
887
struct.pack("16s16x", interface))
888
interface_index = struct.unpack("I", ifreq[16:20])[0]
1637
struct.pack(str(u"16s16x"),
1638
interface))
1639
interface_index = struct.unpack(str(u"I"),
1640
ifreq[16:20])[0]
889
1641
return interface_index
890
1642
return if_nametoindex(interface)
891
1643
892
1644
893
1645
def daemon(nochdir = False, noclose = False):
894
1646
"""See daemon(3). Standard BSD Unix function.
1647
895
1648
This should really exist as os.daemon, but it doesn't (yet)."""
896
1649
if os.fork():
897
1650
sys.exit()
898
1651
os.setsid()
899
1652
if not nochdir:
900
os.chdir("/")
1653
os.chdir(u"/")
901
1654
if os.fork():
902
1655
sys.exit()
903
1656
if not noclose:
905
1658
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
906
1659
if not stat.S_ISCHR(os.fstat(null).st_mode):
907
1660
raise OSError(errno.ENODEV,
908
"/dev/null not a character device")
1661
u"%s not a character device"
1662
% os.path.devnull)
909
1663
os.dup2(null, sys.stdin.fileno())
910
1664
os.dup2(null, sys.stdout.fileno())
911
1665
os.dup2(null, sys.stderr.fileno())
914
1668
915
1669
916
1670
def main():
1671
1672
##################################################################
1673
# Parsing of options, both command line and config file
1674
917
1675
parser = optparse.OptionParser(version = "%%prog %s" % version)
918
parser.add_option("-i", "--interface", type="string",
919
metavar="IF", help="Bind to interface IF")
920
parser.add_option("-a", "--address", type="string",
921
help="Address to listen for requests on")
922
parser.add_option("-p", "--port", type="int",
923
help="Port number to receive requests on")
924
parser.add_option("--check", action="store_true",
925
help="Run self-test")
926
parser.add_option("--debug", action="store_true",
927
help="Debug mode; run in foreground and log to"
928
" terminal")
929
parser.add_option("--priority", type="string", help="GnuTLS"
930
" priority string (see GnuTLS documentation)")
931
parser.add_option("--servicename", type="string", metavar="NAME",
932
help="Zeroconf service name")
933
parser.add_option("--configdir", type="string",
934
default="/etc/mandos", metavar="DIR",
935
help="Directory to search for configuration"
936
" files")
937
parser.add_option("--no-dbus", action="store_false",
938
dest="use_dbus",
939
help="Do not provide D-Bus system bus"
940
" interface")
941
parser.add_option("--no-ipv6", action="store_false",
942
dest="use_ipv6", help="Do not use IPv6")
1676
parser.add_option("-i", u"--interface", type=u"string",
1677
metavar="IF", help=u"Bind to interface IF")
1678
parser.add_option("-a", u"--address", type=u"string",
1679
help=u"Address to listen for requests on")
1680
parser.add_option("-p", u"--port", type=u"int",
1681
help=u"Port number to receive requests on")
1682
parser.add_option("--check", action=u"store_true",
1683
help=u"Run self-test")
1684
parser.add_option("--debug", action=u"store_true",
1685
help=u"Debug mode; run in foreground and log to"
1686
u" terminal")
1687
parser.add_option("--debuglevel", type=u"string", metavar="Level",
1688
help=u"Debug level for stdout output")
1689
parser.add_option("--priority", type=u"string", help=u"GnuTLS"
1690
u" priority string (see GnuTLS documentation)")
1691
parser.add_option("--servicename", type=u"string",
1692
metavar=u"NAME", help=u"Zeroconf service name")
1693
parser.add_option("--configdir", type=u"string",
1694
default=u"/etc/mandos", metavar=u"DIR",
1695
help=u"Directory to search for configuration"
1696
u" files")
1697
parser.add_option("--no-dbus", action=u"store_false",
1698
dest=u"use_dbus", help=u"Do not provide D-Bus"
1699
u" system bus interface")
1700
parser.add_option("--no-ipv6", action=u"store_false",
1701
dest=u"use_ipv6", help=u"Do not use IPv6")
943
1702
options = parser.parse_args()[0]
944
1703
945
1704
if options.check:
948
1707
sys.exit()
949
1708
950
1709
# Default values for config file for server-global settings
951
server_defaults = { "interface": "",
952
"address": "",
953
"port": "",
954
"debug": "False",
955
"priority":
956
"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
957
"servicename": "Mandos",
958
"use_dbus": "True",
959
"use_ipv6": "True",
1710
server_defaults = { u"interface": u"",
1711
u"address": u"",
1712
u"port": u"",
1713
u"debug": u"False",
1714
u"priority":
1715
u"SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP",
1716
u"servicename": u"Mandos",
1717
u"use_dbus": u"True",
1718
u"use_ipv6": u"True",
1719
u"debuglevel": u"",
960
1720
}
961
1721
962
1722
# Parse config file for server-global settings
963
server_config = ConfigParser.SafeConfigParser(server_defaults)
1723
server_config = configparser.SafeConfigParser(server_defaults)
964
1724
del server_defaults
965
server_config.read(os.path.join(options.configdir, "mandos.conf"))
1725
server_config.read(os.path.join(options.configdir,
1726
u"mandos.conf"))
966
1727
# Convert the SafeConfigParser object to a dict
967
1728
server_settings = server_config.defaults()
968
1729
# Use the appropriate methods on the non-string config options
969
server_settings["debug"] = server_config.getboolean("DEFAULT",
970
"debug")
971
server_settings["use_dbus"] = server_config.getboolean("DEFAULT",
972
"use_dbus")
973
server_settings["use_ipv6"] = server_config.getboolean("DEFAULT",
974
"use_ipv6")
1730
for option in (u"debug", u"use_dbus", u"use_ipv6"):
1731
server_settings[option] = server_config.getboolean(u"DEFAULT",
1732
option)
975
1733
if server_settings["port"]:
976
server_settings["port"] = server_config.getint("DEFAULT",
977
"port")
1734
server_settings["port"] = server_config.getint(u"DEFAULT",
1735
u"port")
978
1736
del server_config
979
1737
980
1738
# Override the settings from the config file with command line
981
1739
# options, if set.
982
for option in ("interface", "address", "port", "debug",
983
"priority", "servicename", "configdir",
984
"use_dbus", "use_ipv6"):
1740
for option in (u"interface", u"address", u"port", u"debug",
1741
u"priority", u"servicename", u"configdir",
1742
u"use_dbus", u"use_ipv6", u"debuglevel"):
985
1743
value = getattr(options, option)
986
1744
if value is not None:
987
1745
server_settings[option] = value
988
1746
del options
1747
# Force all strings to be unicode
1748
for option in server_settings.keys():
1749
if type(server_settings[option]) is str:
1750
server_settings[option] = unicode(server_settings[option])
989
1751
# Now we have our good server settings in "server_settings"
990
1752
1753
##################################################################
1754
991
1755
# For convenience
992
debug = server_settings["debug"]
993
use_dbus = server_settings["use_dbus"]
994
use_ipv6 = server_settings["use_ipv6"]
995
996
if not debug:
997
syslogger.setLevel(logging.WARNING)
998
console.setLevel(logging.WARNING)
999
1000
if server_settings["servicename"] != "Mandos":
1756
debug = server_settings[u"debug"]
1757
debuglevel = server_settings[u"debuglevel"]
1758
use_dbus = server_settings[u"use_dbus"]
1759
use_ipv6 = server_settings[u"use_ipv6"]
1760
1761
if server_settings[u"servicename"] != u"Mandos":
1001
1762
syslogger.setFormatter(logging.Formatter
1002
('Mandos (%s): %%(levelname)s:'
1003
' %%(message)s'
1004
% server_settings["servicename"]))
1763
(u'Mandos (%s) [%%(process)d]:'
1764
u' %%(levelname)s: %%(message)s'
1765
% server_settings[u"servicename"]))
1005
1766
1006
1767
# Parse config file with clients
1007
client_defaults = { "timeout": "1h",
1008
"interval": "5m",
1009
"checker": "fping -q -- %%(host)s",
1010
"host": "",
1768
client_defaults = { u"timeout": u"1h",
1769
u"interval": u"5m",
1770
u"checker": u"fping -q -- %%(host)s",
1771
u"host": u"",
1772
u"approval_delay": u"0s",
1773
u"approval_duration": u"1s",
1011
1774
}
1012
client_config = ConfigParser.SafeConfigParser(client_defaults)
1013
client_config.read(os.path.join(server_settings["configdir"],
1014
"clients.conf"))
1015
1016
clients = Set()
1017
tcp_server = IPv6_TCPServer((server_settings["address"],
1018
server_settings["port"]),
1019
TCP_handler,
1020
settings=server_settings,
1021
clients=clients, use_ipv6=use_ipv6)
1022
pidfilename = "/var/run/mandos.pid"
1023
try:
1024
pidfile = open(pidfilename, "w")
1025
except IOError:
1026
logger.error("Could not open file %r", pidfilename)
1027
1028
try:
1029
uid = pwd.getpwnam("_mandos").pw_uid
1030
gid = pwd.getpwnam("_mandos").pw_gid
1775
client_config = configparser.SafeConfigParser(client_defaults)
1776
client_config.read(os.path.join(server_settings[u"configdir"],
1777
u"clients.conf"))
1778
1779
global mandos_dbus_service
1780
mandos_dbus_service = None
1781
1782
tcp_server = MandosServer((server_settings[u"address"],
1783
server_settings[u"port"]),
1784
ClientHandler,
1785
interface=(server_settings[u"interface"]
1786
or None),
1787
use_ipv6=use_ipv6,
1788
gnutls_priority=
1789
server_settings[u"priority"],
1790
use_dbus=use_dbus)
1791
if not debug:
1792
pidfilename = u"/var/run/mandos.pid"
1793
try:
1794
pidfile = open(pidfilename, u"w")
1795
except IOError:
1796
logger.error(u"Could not open file %r", pidfilename)
1797
1798
try:
1799
uid = pwd.getpwnam(u"_mandos").pw_uid
1800
gid = pwd.getpwnam(u"_mandos").pw_gid
1031
1801
except KeyError:
1032
1802
try:
1033
uid = pwd.getpwnam("mandos").pw_uid
1034
gid = pwd.getpwnam("mandos").pw_gid
1803
uid = pwd.getpwnam(u"mandos").pw_uid
1804
gid = pwd.getpwnam(u"mandos").pw_gid
1035
1805
except KeyError:
1036
1806
try:
1037
uid = pwd.getpwnam("nobody").pw_uid
1038
gid = pwd.getpwnam("nogroup").pw_gid
1807
uid = pwd.getpwnam(u"nobody").pw_uid
1808
gid = pwd.getpwnam(u"nobody").pw_gid
1039
1809
except KeyError:
1040
1810
uid = 65534
1041
1811
gid = 65534
1046
1816
if error[0] != errno.EPERM:
1047
1817
raise error
1048
1818
1049
# Enable all possible GnuTLS debugging
1819
if not debug and not debuglevel:
1820
syslogger.setLevel(logging.WARNING)
1821
console.setLevel(logging.WARNING)
1822
if debuglevel:
1823
level = getattr(logging, debuglevel.upper())
1824
syslogger.setLevel(level)
1825
console.setLevel(level)
1826
1050
1827
if debug:
1828
# Enable all possible GnuTLS debugging
1829
1051
1830
# "Use a log level over 10 to enable all debugging options."
1052
1831
# - GnuTLS manual
1053
1832
gnutls.library.functions.gnutls_global_set_log_level(11)
1054
1833
1055
1834
@gnutls.library.types.gnutls_log_func
1056
1835
def debug_gnutls(level, string):
1057
logger.debug("GnuTLS: %s", string[:-1])
1836
logger.debug(u"GnuTLS: %s", string[:-1])
1058
1837
1059
1838
(gnutls.library.functions
1060
1839
.gnutls_global_set_log_function(debug_gnutls))
1840
1841
# Redirect stdin so all checkers get /dev/null
1842
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1843
os.dup2(null, sys.stdin.fileno())
1844
if null > 2:
1845
os.close(null)
1846
else:
1847
# No console logging
1848
logger.removeHandler(console)
1061
1849
1062
global service
1063
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
1064
service = AvahiService(name = server_settings["servicename"],
1065
servicetype = "_mandos._tcp",
1066
protocol = protocol)
1067
if server_settings["interface"]:
1068
service.interface = (if_nametoindex
1069
(server_settings["interface"]))
1070
1850
1071
1851
global main_loop
1072
global bus
1073
global server
1074
1852
# From the Avahi example code
1075
1853
DBusGMainLoop(set_as_default=True )
1076
1854
main_loop = gobject.MainLoop()
1077
1855
bus = dbus.SystemBus()
1078
server = dbus.Interface(bus.get_object(avahi.DBUS_NAME,
1079
avahi.DBUS_PATH_SERVER),
1080
avahi.DBUS_INTERFACE_SERVER)
1081
1856
# End of Avahi example code
1082
1857
if use_dbus:
1083
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos", bus)
1084
1085
clients.update(Set(Client(name = section,
1086
config
1087
= dict(client_config.items(section)),
1088
use_dbus = use_dbus)
1089
for section in client_config.sections()))
1090
if not clients:
1091
logger.warning(u"No clients defined")
1092
1093
if debug:
1094
# Redirect stdin so all checkers get /dev/null
1095
null = os.open(os.path.devnull, os.O_NOCTTY | os.O_RDWR)
1096
os.dup2(null, sys.stdin.fileno())
1097
if null > 2:
1098
os.close(null)
1099
else:
1100
# No console logging
1101
logger.removeHandler(console)
1858
try:
1859
bus_name = dbus.service.BusName(u"se.bsnet.fukt.Mandos",
1860
bus, do_not_queue=True)
1861
except dbus.exceptions.NameExistsException, e:
1862
logger.error(unicode(e) + u", disabling D-Bus")
1863
use_dbus = False
1864
server_settings[u"use_dbus"] = False
1865
tcp_server.use_dbus = False
1866
protocol = avahi.PROTO_INET6 if use_ipv6 else avahi.PROTO_INET
1867
service = AvahiService(name = server_settings[u"servicename"],
1868
servicetype = u"_mandos._tcp",
1869
protocol = protocol, bus = bus)
1870
if server_settings["interface"]:
1871
service.interface = (if_nametoindex
1872
(str(server_settings[u"interface"])))
1873
1874
if not debug:
1102
1875
# Close all input and output, do double fork, etc.
1103
1876
daemon()
1104
1105
try:
1106
pid = os.getpid()
1107
pidfile.write(str(pid) + "\n")
1108
pidfile.close()
1109
del pidfile
1110
except IOError:
1111
logger.error(u"Could not write to file %r with PID %d",
1112
pidfilename, pid)
1113
except NameError:
1114
# "pidfile" was never created
1115
pass
1116
del pidfilename
1117
1118
def cleanup():
1119
"Cleanup function; run on exit"
1120
global group
1121
# From the Avahi example code
1122
if not group is None:
1123
group.Free()
1124
group = None
1125
# End of Avahi example code
1126
1127
while clients:
1128
client = clients.pop()
1129
client.disable_hook = None
1130
client.disable()
1131
1132
atexit.register(cleanup)
1133
1877
1878
global multiprocessing_manager
1879
multiprocessing_manager = multiprocessing.Manager()
1880
1881
client_class = Client
1882
if use_dbus:
1883
client_class = functools.partial(ClientDBus, bus = bus)
1884
def client_config_items(config, section):
1885
special_settings = {
1886
"approved_by_default":
1887
lambda: config.getboolean(section,
1888
"approved_by_default"),
1889
}
1890
for name, value in config.items(section):
1891
try:
1892
yield (name, special_settings[name]())
1893
except KeyError:
1894
yield (name, value)
1895
1896
tcp_server.clients.update(set(
1897
client_class(name = section,
1898
config= dict(client_config_items(
1899
client_config, section)))
1900
for section in client_config.sections()))
1901
if not tcp_server.clients:
1902
logger.warning(u"No clients defined")
1903
1134
1904
if not debug:
1905
try:
1906
with pidfile:
1907
pid = os.getpid()
1908
pidfile.write(str(pid) + "\n")
1909
del pidfile
1910
except IOError:
1911
logger.error(u"Could not write to file %r with PID %d",
1912
pidfilename, pid)
1913
except NameError:
1914
# "pidfile" was never created
1915
pass
1916
del pidfilename
1917
1135
1918
signal.signal(signal.SIGINT, signal.SIG_IGN)
1919
1136
1920
signal.signal(signal.SIGHUP, lambda signum, frame: sys.exit())
1137
1921
signal.signal(signal.SIGTERM, lambda signum, frame: sys.exit())
1138
1922
1139
1923
if use_dbus:
1140
class MandosServer(dbus.service.Object):
1924
class MandosDBusService(dbus.service.Object):
1141
1925
"""A D-Bus proxy object"""
1142
1926
def __init__(self):
1143
dbus.service.Object.__init__(self, bus, "/")
1927
dbus.service.Object.__init__(self, bus, u"/")
1144
1928
_interface = u"se.bsnet.fukt.Mandos"
1145
1929
1146
@dbus.service.signal(_interface, signature="oa{sv}")
1147
def ClientAdded(self, objpath, properties):
1148
"D-Bus signal"
1149
pass
1150
1151
@dbus.service.signal(_interface, signature="os")
1930
@dbus.service.signal(_interface, signature=u"o")
1931
def ClientAdded(self, objpath):
1932
"D-Bus signal"
1933
pass
1934
1935
@dbus.service.signal(_interface, signature=u"ss")
1936
def ClientNotFound(self, fingerprint, address):
1937
"D-Bus signal"
1938
pass
1939
1940
@dbus.service.signal(_interface, signature=u"os")
1152
1941
def ClientRemoved(self, objpath, name):
1153
1942
"D-Bus signal"
1154
1943
pass
1155
1944
1156
@dbus.service.method(_interface, out_signature="ao")
1945
@dbus.service.method(_interface, out_signature=u"ao")
1157
1946
def GetAllClients(self):
1158
1947
"D-Bus method"
1159
return dbus.Array(c.dbus_object_path for c in clients)
1948
return dbus.Array(c.dbus_object_path
1949
for c in tcp_server.clients)
1160
1950
1161
@dbus.service.method(_interface, out_signature="a{oa{sv}}")
1951
@dbus.service.method(_interface,
1952
out_signature=u"a{oa{sv}}")
1162
1953
def GetAllClientsWithProperties(self):
1163
1954
"D-Bus method"
1164
1955
return dbus.Dictionary(
1165
((c.dbus_object_path, c.GetAllProperties())
1166
for c in clients),
1167
signature="oa{sv}")
1956
((c.dbus_object_path, c.GetAll(u""))
1957
for c in tcp_server.clients),
1958
signature=u"oa{sv}")
1168
1959
1169
@dbus.service.method(_interface, in_signature="o")
1960
@dbus.service.method(_interface, in_signature=u"o")
1170
1961
def RemoveClient(self, object_path):
1171
1962
"D-Bus method"
1172
for c in clients:
1963
for c in tcp_server.clients:
1173
1964
if c.dbus_object_path == object_path:
1174
clients.remove(c)
1965
tcp_server.clients.remove(c)
1966
c.remove_from_connection()
1175
1967
# Don't signal anything except ClientRemoved
1176
c.use_dbus = False
1177
c.disable()
1968
c.disable(quiet=True)
1178
1969
# Emit D-Bus signal
1179
1970
self.ClientRemoved(object_path, c.name)
1180
1971
return
1181
raise KeyError
1972
raise KeyError(object_path)
1182
1973
1183
1974
del _interface
1184
1975
1185
mandos_server = MandosServer()
1186
1187
for client in clients:
1976
mandos_dbus_service = MandosDBusService()
1977
1978
def cleanup():
1979
"Cleanup function; run on exit"
1980
service.cleanup()
1981
1982
while tcp_server.clients:
1983
client = tcp_server.clients.pop()
1984
if use_dbus:
1985
client.remove_from_connection()
1986
client.disable_hook = None
1987
# Don't signal anything except ClientRemoved
1988
client.disable(quiet=True)
1989
if use_dbus:
1990
# Emit D-Bus signal
1991
mandos_dbus_service.ClientRemoved(client.dbus_object_path,
1992
client.name)
1993
1994
atexit.register(cleanup)
1995
1996
for client in tcp_server.clients:
1188
1997
if use_dbus:
1189
1998
# Emit D-Bus signal
1190
mandos_server.ClientAdded(client.dbus_object_path,
1191
client.GetAllProperties())
1999
mandos_dbus_service.ClientAdded(client.dbus_object_path)
1192
2000
client.enable()
1193
2001
1194
2002
tcp_server.enable()
1208
2016
1209
2017
try:
1210
2018
# From the Avahi example code
1211
server.connect_to_signal("StateChanged", server_state_changed)
1212
2019
try:
1213
server_state_changed(server.GetState())
2020
service.activate()
1214
2021
except dbus.exceptions.DBusException, error:
1215
2022
logger.critical(u"DBusException: %s", error)
2023
cleanup()
1216
2024
sys.exit(1)
1217
2025
# End of Avahi example code
1218
2026
1225
2033
main_loop.run()
1226
2034
except AvahiError, error:
1227
2035
logger.critical(u"AvahiError: %s", error)
2036
cleanup()
1228
2037
sys.exit(1)
1229
2038
except KeyboardInterrupt:
1230
2039
if debug:
1231
2040
print >> sys.stderr
1232
logger.debug("Server received KeyboardInterrupt")
1233
logger.debug("Server exiting")
2041
logger.debug(u"Server received KeyboardInterrupt")
2042
logger.debug(u"Server exiting")
2043
# Must run before the D-Bus bus name gets deregistered
2044
cleanup()
1234
2045
1235
2046
if __name__ == '__main__':
1236
2047
main()
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0